9999700

素因数分解:

$2^2\times 5^2\times {\mathrm{19}}^2\times {\mathrm{277}}^1$

素因数の和:329

約数の個数: 54

約数和(自身を含む): 22984206

約数和(自身を除く): 12984506

約数列:

[1, 2, 4, 5, 10, 19, 20, 25, 38, 50, 76, 95, 100, 190, 277, 361, 380, 475, 554, 722, 950, 1108, 1385, 1444, 1805, 1900, 2770, 3610, 5263, 5540, 6925, 7220, 9025, 10526, 13850, 18050, 21052, 26315, 27700, 36100, 52630, 99997, 105260, 131575, 199994, 263150, 399988, 499985, 526300, 999970, 1999940, 2499925, 4999850, 9999700]

約数ペア:

[(1, 9999700), (2, 4999850), (4, 2499925), (5, 1999940), (10, 999970), (19, 526300), (20, 499985), (25, 399988), (38, 263150), (50, 199994), (76, 131575), (95, 105260), (100, 99997), (190, 52630), (277, 36100), (361, 27700), (380, 26315), (475, 21052), (554, 18050), (722, 13850), (950, 10526), (1108, 9025), (1385, 7220), (1444, 6925), (1805, 5540), (1900, 5263), (2770, 3610)]